Many routers have an option to login to a VPN. Then all traffic that goes over that router to the internet goes over the VPN. Theoretically something like that should also be possible with a Linux server if the server is local. With this setup you shouldn’t need to configure the VPN on your local devices.

What about trans fats?

Since the launch of the beta, Google says it saw over 50 million files transferred between PCs and Android devices.

Can someone explain to me why google needs to know when I am sharing a file locally?

You could get a new garage door remote. The code should be as little switches on the inside of the old remote.